The 3M cold shrink connector insulators are useful as primary electrical insulation for all solid dielectric (rubber and plastic) insulated wire and cable splicing rated to 1000 V, both indoor and outdoor. They are often good in providing physical protection and environmental sealing for communication and other non-electrical applications, including sheath repairs.

Simple installation which requires no tools
Made of EPDM rubber which contains no chlorides or sulphur
Covers a wide range of cable cross sections